one example is this program they have in japan which i became aware of a few years ago where as i understand it and maybe some of you know better than i do how it works, but my understanding is a lot of the different appliances and heating equipment in the market, every three years or so, they determine who is providing the most efficient equipment and they set that as the standard and say okay, a few years down the road, that is what we're going to be requiring of everyone so everyone has to step up to that new achievable standard which this top runner has demonstrated is achievable. it's another way of doing what he was talking about, suggesting they be able to update the -- upgrade the qualifications. it seems to me some of these incentives, that doesn't make sense to terminate after a short time. there are others that might be appropriate to phase out. did you have comments on that? >> i think you are exactly right. you almost have to ask yourself with the goal is? if the goal is to retrofit a certain number of buildings and that takes x number of years, that is what you do. but there is